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Made it stateless, more secure by default
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,63 +1,151 @@ | ||
| resource "oci_core_vcn" "default_oci_core_vcn" { | ||
| cidr_block = var.oci_core_vcn_cidr | ||
| compartment_ocid = var.compartment_ocid | ||
| display_name = "Default OCI core vcn" | ||
| dns_label = var.oci_core_vcn_dns_label | ||
| resource "oci_core_network_security_group" "public_lb_nsg" { | ||
| compartment_id = var.compartment_ocid | ||
| vcn_id = oci_core_vcn.default_oci_core_vcn.id | ||
| display_name = "K3s public LB nsg" | ||
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| freeform_tags = { | ||
| "provisioner" = "terraform" | ||
| "environment" = "${var.environment}" | ||
| "${var.unique_tag_key}" = "${var.unique_tag_value}" | ||
| "environment" = var.environment | ||
| "${var.unique_tag_key}" = var.unique_tag_value | ||
| } | ||
| } | ||
|
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| resource "oci_core_subnet" "default_oci_core_subnet10" { | ||
| cidr_block = var.oci_core_subnet_cidr10 | ||
| compartment_id = var.compartment_ocid | ||
| display_name = "${var.oci_core_subnet_cidr10} (default) OCI core subnet" | ||
| dns_label = var.oci_core_subnet_dns_label10 | ||
| route_table_id = oci_core_vcn.default_oci_core_vcn.default_route_table_id | ||
| vcn_id = oci_core_vcn.default_oci_core_vcn.id | ||
| security_list_ids = [oci_core_default_security_list.default_security_list.id] | ||
| freeform_tags = { | ||
| "provisioner" = "terraform" | ||
| "environment" = "${var.environment}" | ||
| "${var.unique_tag_key}" = "${var.unique_tag_value}" | ||
| resource "oci_core_network_security_group_security_rule" "allow_http_from_all" { | ||
| network_security_group_id = oci_core_network_security_group.public_lb_nsg.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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| description = "Allow HTTP from all" | ||
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| source = "0.0.0.0/0" | ||
| source_type = "CIDR_BLOCK" | ||
| stateless = true | ||
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| tcp_options { | ||
| destination_port_range { | ||
| max = var.http_lb_port | ||
| min = var.http_lb_port | ||
| } | ||
| } | ||
| } | ||
|
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| resource "oci_core_network_security_group_security_rule" "allow_https_from_all" { | ||
| network_security_group_id = oci_core_network_security_group.public_lb_nsg.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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||
| description = "Allow HTTPS from all" | ||
|
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| source = "0.0.0.0/0" | ||
| source_type = "CIDR_BLOCK" | ||
| stateless = true | ||
|
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| tcp_options { | ||
| destination_port_range { | ||
| max = var.https_lb_port | ||
| min = var.https_lb_port | ||
| } | ||
| } | ||
| } | ||
|
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||
| resource "oci_core_network_security_group_security_rule" "allow_kubeapi_from_all" { | ||
| count = var.expose_kubeapi ? 1 : 0 | ||
| network_security_group_id = oci_core_network_security_group.public_lb_nsg.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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||
| description = "Allow kubeapi access from my_public_ip_cidr" | ||
|
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| source = var.my_public_ip_cidr[0] # Selecting the first element from the list | ||
| source_type = "CIDR_BLOCK" | ||
| stateless = true | ||
|
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||
| tcp_options { | ||
| destination_port_range { | ||
| max = var.kube_api_port | ||
| min = var.kube_api_port | ||
| } | ||
| } | ||
| } | ||
|
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||
| resource "oci_core_subnet" "oci_core_subnet11" { | ||
| cidr_block = var.oci_core_subnet_cidr11 | ||
| compartment_id = var.compartment_ocid | ||
| display_name = "${var.oci_core_subnet_cidr11} OCI core subnet" | ||
| dns_label = var.oci_core_subnet_dns_label11 | ||
| route_table_id = oci_core_vcn.default_oci_core_vcn.default_route_table_id | ||
| vcn_id = oci_core_vcn.default_oci_core_vcn.id | ||
| security_list_ids = [oci_core_default_security_list.default_security_list.id] | ||
| resource "oci_core_network_security_group" "lb_to_instances_http" { | ||
| compartment_id = var.compartment_ocid | ||
| vcn_id = oci_core_vcn.default_oci_core_vcn.id | ||
| display_name = "Public LB to K3s workers Compute Instances NSG" | ||
|
|
||
| freeform_tags = { | ||
| "provisioner" = "terraform" | ||
| "environment" = "${var.environment}" | ||
| "${var.unique_tag_key}" = "${var.unique_tag_value}" | ||
| "environment" = var.environment | ||
| "${var.unique_tag_key}" = var.unique_tag_value | ||
| } | ||
| } | ||
|
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||
| resource "oci_core_network_security_group_security_rule" "nsg_to_instances_http" { | ||
| network_security_group_id = oci_core_network_security_group.lb_to_instances_http.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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||
| description = "Allow HTTP from all" | ||
|
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||
| source = oci_core_network_security_group.public_lb_nsg.id | ||
| source_type = "NETWORK_SECURITY_GROUP" | ||
| stateless = true | ||
|
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||
| tcp_options { | ||
| destination_port_range { | ||
| max = var.http_lb_port | ||
| min = var.http_lb_port | ||
| } | ||
| } | ||
| } | ||
|
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||
| resource "oci_core_network_security_group_security_rule" "nsg_to_instances_https" { | ||
| network_security_group_id = oci_core_network_security_group.lb_to_instances_http.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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| resource "oci_core_internet_gateway" "default_oci_core_internet_gateway" { | ||
| description = "Allow HTTPS from all" | ||
|
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| source = oci_core_network_security_group.public_lb_nsg.id | ||
| source_type = "NETWORK_SECURITY_GROUP" | ||
| stateless = true | ||
|
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||
| tcp_options { | ||
| destination_port_range { | ||
| max = var.https_lb_port | ||
| min = var.https_lb_port | ||
| } | ||
| } | ||
| } | ||
|
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| resource "oci_core_network_security_group" "lb_to_instances_kubeapi" { | ||
| compartment_id = var.compartment_ocid | ||
| display_name = "Internet Gateway Default OCI core vcn" | ||
| enabled = "true" | ||
| vcn_id = oci_core_vcn.default_oci_core_vcn.id | ||
| display_name = "Public LB to K3s master Compute Instances NSG (kubeapi)" | ||
|
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||
| freeform_tags = { | ||
| "provisioner" = "terraform" | ||
| "environment" = "${var.environment}" | ||
| "${var.unique_tag_key}" = "${var.unique_tag_value}" | ||
| "environment" = var.environment | ||
| "${var.unique_tag_key}" = var.unique_tag_value | ||
| } | ||
| } | ||
|
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| resource "oci_core_default_route_table" "default_oci_core_default_route_table" { | ||
| route_rules { | ||
| destination = "0.0.0.0/0" | ||
| destination_type = "CIDR_BLOCK" | ||
| network_entity_id = oci_core_internet_gateway.default_oci_core_internet_gateway.id | ||
| resource "oci_core_network_security_group_security_rule" "nsg_to_instances_kubeapi" { | ||
| count = var.expose_kubeapi ? 1 : 0 | ||
| network_security_group_id = oci_core_network_security_group.lb_to_instances_kubeapi.id | ||
| direction = "INGRESS" | ||
| protocol = 6 # tcp | ||
|
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| description = "Allow kubeapi access from my_public_ip_cidr" | ||
|
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| source = oci_core_network_security_group.public_lb_nsg.id | ||
| source_type = "NETWORK_SECURITY_GROUP" | ||
| stateless = true | ||
|
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| tcp_options { | ||
| destination_port_range { | ||
| max = var.kube_api_port | ||
| min = var.kube_api_port | ||
| } | ||
| } | ||
| manage_default_resource_id = oci_core_vcn.default_oci_core_vcn.default_route_table_id | ||
| } |